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Local variable prev_intercept_idx in teo_select() is redundant because it cannot be 0 when candidate state index is 0. The prev_intercept_idx value is the index of the deepest enabled idle state, so if it is 0, state 0 is the deepest enabled idle state, in which case it must be the only enabled idle state, but then teo_select() would have returned early before initializing prev_intercept_idx. Thus prev_intercept_idx must be nonzero and the check of it against 0 always passes, so it can be dropped altogether. No intentional functional impact. Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Reviewed-by: Christian Loehle <christian.loehle@arm.com> Tested-by: Aboorva Devarajan <aboorvad@linux.ibm.com> Tested-by: Christian Loehle <christian.loehle@arm.com> Link: https://patch.msgid.link/3327997.aeNJFYEL58@rjwysocki.net [ rjw: Fixed typo in the changelog ] Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.